body{
  margin: 0;
  padding: 0;
  background-color: #fff;
  *{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "微软雅黑","Times New Roman", Georgia, Serif;
    font-size: 12px;
  }
}

input{
  outline: none;
}
a{
  text-decoration: none;
  color: #222;
}
li{
  list-style: none;
}
.float-left{
  float: left;
}
.float-right{
  float: right;
}
.clear-fix::after{
  display: table;
  content: '';
  clear: both;
}
.active{
  color: #ff5555;
}